Serrated utility knife blade



FIG. 1 is a top, front and right side perspective view of a serratedutility knife blade showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational viewbeing a mirror image thereof;

FIG. 3 is a left side elevational view thereof, the right sideelevational view being a mirror image thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The ornamental design for a serrated utility knife blade, as shown anddescribed.